/**
* Resolves the member described by the receiver and returns it if found. Returns <code>null
* </code> if no corresponding member can be found.
*
* @return the resolved member or <code>null</code> if none is found
* @throws DartModelException if accessing the Dart model fails
*/
@SuppressWarnings("deprecation")
protected Type resolveType() throws DartModelException {
String typeName = String.valueOf(proposal.getSignature());
Type type = project.findType(typeName);
if (type == null) {
type = project.findType(new String(proposal.getCompletion()));
}
return type;
}
/**
* Returns the type signature of the declaring type of a <code>CompletionProposal</code>, or
* <code>null</code> for proposals that do not have a declaring type. The return value is
* <em>not</em> <code>null</code> for proposals of the following kinds:
*
* <ul>
* <li>METHOD_DECLARATION
* <li>METHOD_NAME_REFERENCE
* <li>METHOD_REF
* <li>ANNOTATION_ATTRIBUTE_REF
* <li>POTENTIAL_METHOD_DECLARATION
* <li>ANONYMOUS_CLASS_DECLARATION
* <li>FIELD_REF
* <li>PACKAGE_REF (returns the package, but no type)
* <li>TYPE_REF
* </ul>
*
* @param proposal the completion proposal to get the declaring type for
* @return the type signature of the declaring type, or <code>null</code> if there is none
*/
protected final char[] getDeclaringType(CompletionProposal proposal) {
switch (proposal.getKind()) {
case CompletionProposal.METHOD_DECLARATION:
case CompletionProposal.METHOD_NAME_REFERENCE:
// case CompletionProposal.JAVADOC_METHOD_REF:
case CompletionProposal.METHOD_REF:
case CompletionProposal.ARGUMENT_LIST:
case CompletionProposal.CONSTRUCTOR_INVOCATION:
// case CompletionProposal.ANONYMOUS_CLASS_CONSTRUCTOR_INVOCATION:
// case CompletionProposal.METHOD_REF_WITH_CASTED_RECEIVER:
// case CompletionProposal.ANNOTATION_ATTRIBUTE_REF:
case CompletionProposal.POTENTIAL_METHOD_DECLARATION:
// case CompletionProposal.ANONYMOUS_CLASS_DECLARATION:
case CompletionProposal.FIELD_REF:
// case CompletionProposal.FIELD_REF_WITH_CASTED_RECEIVER:
// case CompletionProposal.JAVADOC_FIELD_REF:
// case CompletionProposal.JAVADOC_VALUE_REF:
char[] declaration = proposal.getDeclarationSignature();
// special methods may not have a declaring type: methods defined on arrays etc.
// Currently known: class literals don't have a declaring type - use Object
// if (declaration == null) {
// return "java.lang.Object".toCharArray(); //$NON-NLS-1$
// }
return Signature.toCharArray(declaration);
case CompletionProposal.LIBRARY_PREFIX:
return proposal.getDeclarationSignature();
// case CompletionProposal.JAVADOC_TYPE_REF:
case CompletionProposal.TYPE_REF:
return Signature.toCharArray(proposal.getSignature());
case CompletionProposal.LOCAL_VARIABLE_REF:
case CompletionProposal.VARIABLE_DECLARATION:
case CompletionProposal.KEYWORD:
case CompletionProposal.LABEL_REF:
case CompletionProposal.TYPE_IMPORT:
case CompletionProposal.OPTIONAL_ARGUMENT:
case CompletionProposal.NAMED_ARGUMENT:
// case CompletionProposal.JAVADOC_BLOCK_TAG:
// case CompletionProposal.JAVADOC_INLINE_TAG:
// case CompletionProposal.JAVADOC_PARAM_REF:
return null;
default:
Assert.isTrue(false);
return null;
}
}
private IDartCompletionProposal createMethodDeclarationProposal(CompletionProposal proposal) {
if (fCompilationUnit == null || fDartProject == null) {
return null;
}
String name = String.valueOf(proposal.getName());
String[] paramTypes = Signature.getParameterTypes(String.valueOf(proposal.getSignature()));
for (int index = 0; index < paramTypes.length; index++) {
paramTypes[index] = Signature.toString(paramTypes[index]);
}
int start = proposal.getReplaceStart();
int length = getLength(proposal);
StyledString label =
new StyledString(
fLabelProvider.createOverrideMethodProposalLabel(proposal)); // TODO(messick)
DartCompletionProposal dartProposal =
new OverrideCompletionProposal(
fDartProject,
fCompilationUnit,
name,
paramTypes,
start,
length,
getLengthIdentifier(proposal),
label,
String.valueOf(proposal.getCompletion()));
dartProposal.setImage(getImage(fLabelProvider.createMethodImageDescriptor(proposal)));
// TODO(scheglov) implement documentation comment
// dartProposal.setProposalInfo(new MethodProposalInfo(fDartProject, proposal));
dartProposal.setRelevance(computeRelevance(proposal));
fSuggestedMethodNames.add(new String(name));
return dartProposal;
}